Answer is bottom front teeth
Reason
Firstly, this area is a difficult spot to clean, especially if the head of your toothbrush is bulky. It is very easy to skim over, leaving plaque behind. Also, there are saliva ducts present on the floor of the mouth, adjacent to these teeth, so saliva is continually bathing this area.
I believe it is 60
not 100 percent sure but i hope this helps
The answer would be: A. Absolute method
The absolute method is done, normally, carrying out by calculating the maximum amount of recital that you and your brother could do over an allotted amount of time. For example, in about 1 minute, the person with the alternative recital is more likely the one with more muscle endurance.